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Products / Optics / Fiber Optics / WDM/DWDM/CWDM/Bandpass Filter /

WDM/DWDM/CWDM/Bandpass Filter

WDM (Wavelength Division Multiplexing) enables multiple signals to share a fiber. DWDM (Dense WDM) and CWDM (Coarse WDM) enhance this by optimizing wavelength spacing. Bandpass Filters isolate specific wavelength channels in WDM systems.

Parameters	Type	Insertion Loss(dB)	Transmission Isolation(dB)	Reflection Isolation(dB)
Polarization Maintaining Filter WDM	980/1064/1480/1550/2000	0.6-0.8	25-30	12-15
High Power Filter WDM（up to 20W)	980/1064/1480/1550/2000	0.6-1	25-30	12-15
High Power Polarization Maintaining Fused WDM (up to 20W)	980/1064/1550/2000	-	-	-
High Power Optical Bandpass Filter	-	-	-
High Power Pump Laser Protector	-	-	-	-
Polarization Maintaining Dense WDM (DWDM)	-	0.4-1	-
Polarization Maintaining Coarse WDM (CWDM)	-	0.4-0.6	-	-

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